820 00850 Working on Charger only

[rupesh.amit]

Ampere on PSU is fluctuating ..range from 0.350 to0.750

Not working on Battery,

While charger is connected Battery shows 40 percent, and charging and when I take the charger plug out MacBook turns off


Corrosion on Q7040

 

[2informaticos]

What is PPBUS_G3H voltage with battery alone (no charger)?
Did you test with known good battery?